dict contains key python code example

Example 1: python check if key exists

d = {"apples": 1, "banannas": 4}
# Preferably use .keys() when searching for a key
if "apples" in d.keys():
  print(d["apples"])

Example 2: check if dict key contains specific key and value

if (key, value) in d.items():
	print("yes")

Example 3: python dictionary contains key

if key in dictionary:
  print(True)

Example 4: check if a key exists in a dictionary python

d = {"key1": 10, "key2": 23}

if "key1" in d:
    print("this will execute")

if "nonexistent key" in d:
    print("this will not")